王春旭,尚丽梅,韩顺,厉勇,刘东,王建国,杨超

• 1:钢铁研究总院特殊钢研究所
• 2:西北工业大学材料学院
• 3:中国航发商用航空发动机有限责任公司

摘要(Abstract)：

采用DEFORM-2D软件对航空轴锻件用Maraging250钢的热挤压过程进行数值模拟,分析了其在挤压过程中温度场、等效应变场和应力场等的分布规律,并对其挤压后的微观组织和力学性能进行了分析。结果表明:热挤压成形后,锻件的温度沿径向向外表面呈升高的趋势;锻件主体区域等效应变为1.0～1.5,温度在1135～1174℃之间,锻件的温度分布和应变分布较均匀;锻件各部位的组织和力学性能具有良好的均匀性,其主体的平均晶粒尺寸为41.42～61.07μm。

关键词(KeyWords)： Maraging250钢;数值模拟;热挤压;温度;等效应变;微观组织

Abstract:

Keywords:

基金项目(Foundation): 国家重大科技专项(2016YFB0300104)

作者(Author): 王春旭,尚丽梅,韩顺,厉勇,刘东,王建国,杨超

DOI: 10.13289/j.issn.1009-6264.2021-0021

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